Energy
Watt-hours to Kilowatt-hours
Convert watt-hours to kilowatt-hours instantly.
About this conversion
Watt-hours (Wh) are used for battery capacity and electricity consumption reports. Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh. 1,000 watt-hours equal 1 Kilowatt-hours. The converter above calculates the result instantly — you can also swap the units to convert in the other direction.
How to use
Enter a value in the watt-hours field and instantly see the result in kilowatt-hours. Click the swap button to reverse the conversion.
Manual calculation
1 watt-hours = 0.001 kilowatt-hours. Example: 10 Wh = 0.01 kWh.
Frequently asked questions
How do you convert watt-hours to kilowatt-hours?
Divide the number of watt-hours by 1,000 to get kilowatt-hours. Example: 1,000 Wh ÷ 1,000 = 1 kWh.
Are watt-hours bigger or smaller than kilowatt-hours?
Watt-hours is smaller than Kilowatt-hours. There are 1,000 watt-hours in one kilowatt-hour, so the result is a smaller number when converting from watt-hours to kilowatt-hours.
What is 100 watt-hours in kilowatt-hours?
100 Wh equals 0.1 kWh.
How many watt-hours are in 1 kilowatt-hour?
1 kWh equals 1,000 Wh. This is the reverse conversion — useful if you have a value in kilowatt-hours and want it in watt-hours.
What is watt-hour?
Watt-hours (Wh) are used for battery capacity and electricity consumption reports.
What is kilowatt-hour used for?
Kilowatt-hours (kWh) are the standard unit on electricity bills. 1 kWh = 1,000 Wh.